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Finding the Fourth Proportional to 152,471.16, 210,512.90 and 95,197.68

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Solution

The fourth proportional to 152,471.16, 210,512.90 and 95,197.68 is: 131,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,471.16 : 210,512.90 = 95,197.68 : x
  2. Step 2: Convert to fraction form
    152,471.16/210,512.90 = 95,197.68/x
  3. Step 3: Cross multiply
    152,471.16x = 210,512.90 × 95,197.68
  4. Step 4: Simplify right side
    152,471.16x = 20,040,339,214.08
  5. Step 5: Solve for x
    x = 20,040,339,214.08/152,471.16
  6. Step 6: Final answer
    x = 131,436.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.